Master station features

Support any brands of video IP phone which works under standard SIP protocol
Provide two way speech communications between the master and slave stations
Receive the call from all slave station and other master station
Broadcast calls / Public announcement to all slaves or groups
Forward the call to other master station (time based, and manual selection)
Hold the call in queue
Select and View the camera from DAVIS video server
Support PC virtual master station
Used as a keypad to

• Control DAVIS camera PTZ
• Control DAVIS I/O module
• Record video and audio for a certain period of time
• Grant access (IO control, SMS)
• Acknowledge/process alarms (SMS)

Slave station features:

Support any brands of slave station which works under standard SIP protocol
Provide two way speech communications between the master and slave stations
Make the call to master station
Support public announcement in groups
Support PC virtual slave station
Slave station works independently with master or other slave stations if SIP server not exists